CA3025720A1 - Polymorphs of n-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1 -({4-[2-oxopyridin-1 -yl)methyl]phenyl} methyl) pyrazole -4-carboxamide as kallikrein inhibitors - Google Patents

Polymorphs of n-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1 -({4-[2-oxopyridin-1 -yl)methyl]phenyl} methyl) pyrazole -4-carboxamide as kallikrein inhibitors Download PDF

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CA3025720A1
CA3025720A1 CA3025720A CA3025720A CA3025720A1 CA 3025720 A1 CA3025720 A1 CA 3025720A1 CA 3025720 A CA3025720 A CA 3025720A CA 3025720 A CA3025720 A CA 3025720A CA 3025720 A1 CA3025720 A1 CA 3025720A1
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methyl
solid form
mixture
oxopyridin
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Haydn Beaton
David Malcolm Crowe
Hannah Joy EDWARDS
Nicholas James GRIFFITHS-HAYNES
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Kalvista Pharmaceuticals Ltd
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Beaton Haydn
Griffiths-Haynes Nicholas James
Kalvista Pharmaceuticals Ltd
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Abstract

The invention provides new polymorphs of N-[(3-fluoro-4- methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-l-({4-[(2- oxopyridin-1-yl)methyl]phenyl}methyl)pyrazole-4-carboxamide and salts thereof, pharmaceutical compositions containing them and their use as kallikrein inhibitors in therapy

Description

, The name N-[( -flu1oro-4-methwpyridin-2-yl)methy11-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-Amethyllphe yllmethyl)pyrazole-4-carboxamide denotes the structure depicted in Formula A.
III
III NI
II III
\ I
\ II Nom I MN
5 Formula A
1 Four crystallin I polymorphs of N-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-\,ymethyl]phenyl}rnethyl)pyrazole-4-carboxamide have been isolated and characterised to date, which are herein referred to as 'Form 1', 'Form 2', 'Form 3', and 'Form 4'. Preferably, the 10 crystalline form is Form 1, Four crystalline polymorphs of N-[(3-fluoro-4-methoxypyridin-2-yOmethyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-y1)methyl]phenyllmethyl)pyrazole-4-carboxamide hydrochloride have been isolated and characterised to date, which are herein referred to as 'Form 5', 'Form 6', 'Form 7', and 'Form 18'.
One crystalline polymorph of N-[(3-fluoro-4-methoxypyridin-2-yOmethyl]-3-(nnethoxymethyl)-1-({4-[(2-oxopyridin-1-y1)methyllphenyl}methyl)pyrazole-4-carboxamide sulfate have been isolated and characterised to date, which is herein referred to as 'Form 8', The term "sulfate" as used herein when referring to a salt of N-[(3-fluoro-4-methoxypyridin-2-yl)methy1]-3-(methoxymethyl)-1-R4-[(2-oxopyridin-1-yl)methyl]phenyl)methyl)pyrazole-4-carboxamide is intended to enc mpass 6oth a mono-sulfate salt and a hemi-sulfate salt. In one embodiment, Form 8 1 ;
of N-[(3-fluoroT4-r.11 ethoxyPyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-y1)methyl]phenyl}methyl)pyrazole-4-carboxamide is a mono-sulfate salt, In an alternative embodiment, Form 8 of N-[(3-fluoro-4-methoxypyridin-2-yl)methyll-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-y1)methyl]phenyl}methyl)pyrazole-4-carboxamide is a hemi-sulfate salt.
,

Claims (35)

1. A solid form of N-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-yl)methyl]phenyl}methyl)pyrazole-4-carboxamide, which exhibits at least the following characteristic X-ray powder diffraction peaks (Cu K.alpha.
radiation, expressed in degrees 2.theta.) at approximately 11.2, 12.5, 13.2, 14.5 and 16.3.
2. The solid form according to claim 1 haying an X-ray powder diffraction pattern substantially the same as that shown in Figure 2a.
3. The solid form according to claim 1 or 2, which exhibits an endothermic peak in its DSC
thermograph at 151 ~ 3°C.
4. The solid form according to any one of claims 1 to 3 haying a DSC
thermograph substantially the same as that shown in Figure 4.
5. A solid form of N-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-yl)methyl]phenyl}methyl)pyrazole-4-carboxamide, which exhibits an endothermic peak in its DSC thermograph at 151 ~ 3°C .
6. The solid form according to claim 5 haying a DSC thermograph substantially the same as that shown in Figure 4.
7. A solid form of N-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-yl)methyl]phenyl}methyl)pyrazole-4-carboxamide sulfate, which exhibits at least the following characteristic X-ray powder diffraction peaks (Cu K.alpha.
radiation, expressed in degrees 2.theta.) at approximately 5.1, 7.5, 12.0, 15.2, and 17.9.
8. The solid form according to claim 7 haying an X-ray power diffraction pattern substantially the same as shown in Figure 13.
9. The solid form according to claim 7 or claim 8, which exhibits an endothermic peak in its DSC
thermograph at 110 ~ 3°C.
10. The solid form according to any one of claims 7 to 9 haying a DSC
thermograph substantially the same as that shown in Figure 32.
11. A solid form of N-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-yl)methyl]phenyl}methyl)pyrazole-4-carboxamide sulfate, which exhibits an endothermic peak in its DSC thermograph at 110 ~ 3°C.
12. The solid form according to claim 11 having a DSC thermograph substantially the same as that shown in Figure 32.
13. A pharmaceutical composition comprising a solid form as claimed in any one of claims 1 to 12, in association with a pharmaceutically acceptable adjuvant, diluent or carrier.
14. A solid form as claimed in any one of claims 1 to 12, for use in therapy.
15. A solid form as claimed in any one of claims 1 to 12, for use in the treatment of a disease or condition mediated by plasma kallikrein.
16. The solid form according to claim 15 wherein the disease or condition mediated by plasma kallikrein is selected from impaired visual acuity, diabetic retinopathy, retinal vascular permeability associated with diabetic retinopathy, diabetic macular edema, hereditary angioedema, diabetes, pancreatitis, cerebral haemorrhage, nephropathy, cardiomyopathy, neuropathy, inflammatory bowel disease, arthritis, inflammation, septic shock, hypotension, cancer, adult respiratory distress syndrome, disseminated intravascular coagulation, blood coagulation during cardiopulmonary bypass surgery and bleeding from post-operative surgery.
17. The solid form according to claim 15 wherein the disease or condition mediated by plasma kallikrein is selected from retinal vascular permeability associated with diabetic retinopathy, diabetic macular edema and hereditary angioedema.
18. The solid form according to claim 17 wherein the disease or condition mediated by plasma kallikrein is selected from retinal vascular permeability associated with diabetic retinopathy, and diabetic macular edema.
19. The solid form according to claim 17, wherein the disease or condition mediated by plasma kallikrein is hereditary angioedema.
20. The solid form according to claim 17, wherein the disease or condition mediated by plasma kallikrein is diabetic macular edema.
21. The solid form according to claim 15, wherein the disease or condition mediated by plasma kallikrein is retinal vein occlusion.
22. The solid form according to claim 18 or claim 20, wherein said solid form is administered in a form suitable for injection into the ocular region of a patient, in particular, in a form suitable for intra-vitreal injection.
23. A process for the preparation of a solid form as claimed in any one of claims 1 to 6 , comprising crystallising said solid form from a mixture of N-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-yl)methyl]phenyl}methyl)pyrazole-4-carboxamide and a solvent or a mixture of solvents.
24. The process of claim 23, wherein the solvent is acetonitrile.
25. The process of claim 23, wherein the solvent is isopropanol.
26. The process of claim 24 or 25, wherein said mixture is heated to a temperature of approximately 60-85°C.
27. The process of claim 26, wherein, after heating, said mixture is cooled to a temperature of approximately 0-40°C.
28. A process for the preparation of a solid form as claimed in any one of claims 7 to 12, comprising crystallising said solid form from a mixture of N-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-yl)methyl]phenyl}methyl)pyrazole-4-carboxamide and a solvent or a mixture of solvents.
29. The process of claim 28, wherein the N-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-yl)methyl]phenyl}methyl)pyrazole-4-carboxamide sulfate is formed by adding sulfuric acid to N-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-yl)methyl]phenyl}methyl)pyrazole-4-carboxamide in a solvent or a mixture of solvents.
30. The process of claim 29, wherein the mixture of N-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1-({4-[(2-oxopyridin-1-yl)methyl]phenyl}methyl)pyrazole-4-carboxamide in a solvent or mixture of solvents is heated prior to addition of the sulfuric acid.
31. The process of any one of claims 28 to 30, wherein the solvent or mixture of solvents comprises acetonitrile and/or acetone.
32. The process of claim 31, wherein the solvent is acetonitrile.
33. The process of any one of claims 28 to 32, wherein the crystallisation is performed by ultrasonication and/or temperature cycling of the mixture.
34. The process of claim 33, wherein the temperature cycling comprises cycling the temperature of the mixture between about 30-50°C and ambient temperature.
35. The process of claim 34, wherein the temperature cycling is carried out for between about 18 and about 24 hours.
CA3025720A 2016-06-01 2017-06-01 Polymorphs of n-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1 -({4-[2-oxopyridin-1 -yl)methyl]phenyl} methyl) pyrazole -4-carboxamide as kallikrein inhibitors Pending CA3025720A1 (en)

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US201662344059P 2016-06-01 2016-06-01
US62/344,059 2016-06-01
GBGB1609607.5A GB201609607D0 (en) 2016-06-01 2016-06-01 Polymorphs of N-(3-Fluoro-4-methoxypyridin-2-yl)methyl)-3-(methoxymethyl)-1-({4-((2-oxopy ridin-1-yl)methyl)phenyl}methyl)pyrazole-4-carboxamide and salts
GB1609607.5 2016-06-01
PCT/GB2017/051579 WO2017208005A1 (en) 2016-06-01 2017-06-01 Polymorphs of n-[(3-fluoro-4-methoxypyridin-2-yl)methyl]-3-(methoxymethyl)-1 -({4-[2-oxopyridin-1 -yl)methyl]phenyl} methyl) pyrazole -4-carboxamide as kallikrein inhibitors

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